ON TIMEBOARD

AA 4328 on time

American Airlines 4328: Springfield to Chicago at 6:00 a.m. (past 12 months)

On time
89%
120 flights · likely 82–94%
Cancelled
0.0%
of scheduled flights
Typical arrival
−18 min
median vs schedule
When late
+97 min
average delay
Similar flights
86%
AA, same route & hour

About 1 in 9 AA 4328 flights from Springfield arrived 15+ minutes late, diverted or cancelled over the past year (11%); 0.0% were cancelled. The typical flight landed 18 minutes early.

AA 4328: SPI → ORD

Scheduled to leave Springfield at 6:00 a.m. local time, operated by Envoy as MQ 4328. Over the past year it arrived on time 89% of the time (120 flights), better than other AA flights on the route at that hour (86%). Last seen in the data Aug 4, 2026.

Month by month

40%70%100%Apr 2026: 83% on time (24 flights)83AprMay 2026: 90% on time (31 flights)90MayJun 2026: 90% on time (30 flights)90JunJul 2026: 90% on time (31 flights)90JulAug 2026: too few flights (4 flights)Aug

By day of week

DayFlightsOn time
Monday17—
Tuesday18—
Wednesday17—
Thursday17—
Friday17—
Saturday17—
Sunday17—

Why it was late

Airline (crew, maintenance, ops) 39%Air traffic & airport (NAS) 31%Severe weather 30%

All flights SPI → ORD · Connecting off AA 4328? Check the risk

Questions

How often is AA 4328 from SPI to ORD late?

American Airlines 4328 from Springfield, IL to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 11% of 120 scheduled flights between September 2025 and August 2026. 0.0% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check American Airlines for today's flight. Method.